| Hardware and OS Realme C51s |
| Operating system: | Android 13, Realme UI |
| Processor: | Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) |
| Chipset: | Unisoc Tiger T612 (12 nm) |
| GPU: | Mali-G57 |
| Internal memory: | 128GB 6GB RAM |
| External memory: | microSDXC (dedicated slot) |
| Display Realme C51s |
| Type: | IPS LCD, 90Hz, 560 nits (peak) |
| Size: | 6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio) |
| Resolution: | 720 x 1600 pixels, 20:9 ratio |
| Connectivity Realme C51s |
| 2G Network: | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network: | HSDPA 900 / 2100 |
| 4G Network: | 1, 3, 5, 8, 38, 40 |
| WLAN: | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Bluetooth: | 5.0, A2DP, LE |
| NFC: | Yes, 360˚ (market/region dependent) |
| USB: | USB Type-C |
| Speed: | HSPA, LTE |
| Technology: | GSM / HSPA / LTE |
| Main Camera Realme C51s |
| Camera: | 50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF
0.08 MP, f/3.0 ,(auxiliary lens) |
| Features: | LED flash, HDR, panorama |
| Video: | 1080p@30fps |
| Selfie camera Realme C51s |
| Camera: | 5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12µm |
| Features: | HDR |
| Video: | 720p@30fps |
| Multimedia Realme C51s |
| 3.5 mm Jack: | Yes |
| Loudspeaker: | Yes |
| Battery Realme C51s |
| Type: | 5000 mAh, non-removable |
| Charging: | 33W wired, 0-50% in 28 min (advertised) |
| Design Realme C51s |
| Body: | IP54, dust and splash resistant |
| Body build: | Glass front, plastic frame, plastic back |
| SIM: | Dual SIM (Nano-SIM, dual stand-by) |
| Weight: | 182 g (6.42 oz) |
| Dimensions: | 167.2 x 76.7 x 7.5 mm (6.58 x 3.02 x 0.30 in) |
| Colors: | Shiny Green, Mighty Black |
| Features Realme C51s |
| Sensors: | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
